Barkenbus, J. (1979). Deep seabed resources: : politics and technology. Free Press.
Dyfyniad Arddull ChicagoBarkenbus, Jack. Deep Seabed Resources: : Politics and Technology. New York: Free Press, 1979.
Dyfyniad MLABarkenbus, Jack. Deep Seabed Resources: : Politics and Technology. Free Press, 1979.
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